Operation CHARM: Car repair manuals for everyone.

Automatic Transmission/Transaxle: Testing and Inspection



Gearbox Leakage

Gearbox leakage

Noticeable symptoms:
The automatic transmission is leaking around the continuous oil sump gasket.

NOTICE: Analyses have shown that in only the rarest of cases is the cause of this fault pattern the oil sump gasket or plastic oil sump.

The following graphics show the areas that could be leaking, marked by arrows.

Graphic 1:
- Oil sump gasket







Graphic 2:
- Output flange







Graphic 3:
- Connector housing







Graphic 4:
- Gearshift shaft







NOTICE: Further possibilities of the leakage for the all-wheel drive vehicle on the transfer box, mounting of the transmission output shaft of the automatic transmission.

Graphic 5:
- Transfer box radial shaft seal